package com.zhu.esyblog.config;




import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;

import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

/**
     * swagger2配置类
     */
    @Configuration
    @EnableSwagger2
    public class Swagger2Config {
        @Bean
        public Docket createRestApi() {
            return new Docket(DocumentationType.SWAGGER_2)
                    .apiInfo(apiInfo())
                    .select()
                    .apis(RequestHandlerSelectors.basePackage("com.zhu.esyblog.controller"))
                    .paths(PathSelectors.any())
                    .build()
                    .securitySchemes(securitySchemes())
                    .securityContexts(securityContexts());

        }

        private ApiInfo apiInfo() {
            return new ApiInfoBuilder()
                    .title("个人博客接口文档")
                    .contact(new Contact("zhu", "http://localhost:8888/doc.html", "3138836095@qq.com"))
                    .version("1.0")
                    .build();
        }

    /**
     * 设置请求头信息
     * @return
     */
    private List<ApiKey> securitySchemes(){
        List<ApiKey> result=new ArrayList<>();
        ApiKey apiKey=new ApiKey("Authorization","Authorization","Header");
        result.add(apiKey);
        return result;
    }
    private List<SecurityContext> securityContexts(){
        /**
         * 设置需要认证的路径
         */
        List<SecurityContext> securityContexts=new ArrayList<>();
        securityContexts.add(getContextByPath("/hello/.*"));
        return securityContexts;
    }

    private SecurityContext getContextByPath(String s) {
        return SecurityContext.builder()
                .securityReferences(dufaultAuth())
                .forPaths(PathSelectors.regex(s))
                .build();
    }

    private List<SecurityReference> dufaultAuth() {
        List<SecurityReference> result=new ArrayList<>();
        AuthorizationScope authorizationScope=new AuthorizationScope("global","accessEveryThing");//授权范围
        AuthorizationScope[] authorizationScopes=new AuthorizationScope[1];
        authorizationScopes[0]=authorizationScope;
        result.add(new SecurityReference("Authorization",authorizationScopes));
        return result;
    }
    }

